Home / 82,524,533.19-113,886,418.75-45,354,137.72

Finding the Fourth Proportional to 82,524,533.19, 113,886,418.75 and 45,354,137.72

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Solution

The fourth proportional to 82,524,533.19, 113,886,418.75 and 45,354,137.72 is: 62,590,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,524,533.19 : 113,886,418.75 = 45,354,137.72 : x
  2. Step 2: Convert to fraction form
    82,524,533.19/113,886,418.75 = 45,354,137.72/x
  3. Step 3: Cross multiply
    82,524,533.19x = 113,886,418.75 × 45,354,137.72
  4. Step 4: Simplify right side
    82,524,533.19x = 5,165,220,320,596,421
  5. Step 5: Solve for x
    x = 5,165,220,320,596,421/82,524,533.19
  6. Step 6: Final answer
    x = 62,590,118.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.